Home / 14,237.61-19,657.13-12,742.93

Finding the Fourth Proportional to 14,237.61, 19,657.13 and 12,742.93

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Solution

The fourth proportional to 14,237.61, 19,657.13 and 12,742.93 is: 17,593.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,237.61 : 19,657.13 = 12,742.93 : x
  2. Step 2: Convert to fraction form
    14,237.61/19,657.13 = 12,742.93/x
  3. Step 3: Cross multiply
    14,237.61x = 19,657.13 × 12,742.93
  4. Step 4: Simplify right side
    14,237.61x = 250,489,431.59
  5. Step 5: Solve for x
    x = 250,489,431.59/14,237.61
  6. Step 6: Final answer
    x = 17,593.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.